EP 0134847 A1 19850327 - Inhalation valve.
Title (en)
Inhalation valve.
Title (de)
Beatmungsventil.
Title (fr)
Valve respiratoire.
Publication
Application
Priority
EP 83304452 A 19830802
Abstract (en)
An inhalation valve including means defining a passageway (16) having an entering end (18) and an exit end (22), a mouthpiece (40) at said exit end for receipt in a patient's mouth, means (20) at said entering end for receiving structure for supplying inhalation medication, a diaphragm (58) adjacent said exit end and mounted with freedom to move at least in part towards said mouthpiece upon inhalation by said patient to permit movement of inhalation medication from said passageway into said mouthpiece and the mouth of said patient, and means (30) immediately upstream of said diaphragm backing up said diaphragm against movement thereof away from said mouthpiece to prevent retrograde flow upon exhalation by said patient.
IPC 1-7
IPC 8 full level
A61M 15/00 (2006.01)
CPC (source: EP)
A61M 15/0016 (2014.02); A61M 15/0018 (2014.02); A61M 15/0086 (2013.01)
Citation (search report)
- [X] EP 0009667 A1 19800416 - NEWHOUSE MICHAEL T DR
- [X] GB 2110543 A 19830622 - UNIV SOUTHAMPTON
- [Y] US 3556122 A 19710119 - LAERDAL ASMUND SIGURD
- [Y] DE 1902917 A1 19700820 - LOTHAR MICZKA KG
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0134847 A1 19850327; EP 0134847 B1 19870527; AT E27405 T1 19870615; DE 3371745 D1 19870702
DOCDB simple family (application)
EP 83304452 A 19830802; AT 83304452 T 19830802; DE 3371745 T 19830802